Year	% gross
1993	20.703670501709
1994	20.0058403015137
1995	21.2747592926025
1996	22.1146106719971
1997	24.0725898742676
1999	29.2711200714111
2000	33.4939002990723
2001	34.7307815551758
2002	33.958179473877
2003	34.8960189819336
2004	32.2430191040039
2005	36.3606910705566
2006	37.9051284790039
2007	39.346981048584
2008	40.432731628418
2009	40.7531318664551
2010	42.1129188537598
2011	42.9389686584473
2012	43.7337608337402
2013	42.5524711608887
2014	42.375560760498
2015	39.3370780944824
2017	39.2000694274902
2018	40.419620513916
2019	40.4020004272461